EP3396450A4 - Ghost reduction device and imaging device equipped with same, ghost reduction method, and imaging optical system - Google Patents

Ghost reduction device and imaging device equipped with same, ghost reduction method, and imaging optical system Download PDF

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Publication number
EP3396450A4
EP3396450A4 EP16878249.8A EP16878249A EP3396450A4 EP 3396450 A4 EP3396450 A4 EP 3396450A4 EP 16878249 A EP16878249 A EP 16878249A EP 3396450 A4 EP3396450 A4 EP 3396450A4
Authority
EP
European Patent Office
Prior art keywords
ghost reduction
imaging
optical system
same
imaging optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16878249.8A
Other languages
German (de)
French (fr)
Other versions
EP3396450A1 (en
Inventor
Yasuhiro Sawada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kamuy Innovation Corp
Original Assignee
Kamuy Innovation Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kamuy Innovation Corp filed Critical Kamuy Innovation Corp
Publication of EP3396450A1 publication Critical patent/EP3396450A1/en
Publication of EP3396450A4 publication Critical patent/EP3396450A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/045—Lens hoods or shields
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Diaphragms For Cameras (AREA)
  • Studio Devices (AREA)
  • Blocking Light For Cameras (AREA)
EP16878249.8A 2015-12-24 2016-11-24 Ghost reduction device and imaging device equipped with same, ghost reduction method, and imaging optical system Withdrawn EP3396450A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015251675A JP6685041B2 (en) 2015-12-24 2015-12-24 Ghost reduction device, image pickup apparatus including the same, ghost reduction method, and image pickup optical system
PCT/JP2016/084772 WO2017110355A1 (en) 2015-12-24 2016-11-24 Ghost reduction device and imaging device equipped with same, ghost reduction method, and imaging optical system

Publications (2)

Publication Number Publication Date
EP3396450A1 EP3396450A1 (en) 2018-10-31
EP3396450A4 true EP3396450A4 (en) 2019-08-07

Family

ID=59089326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16878249.8A Withdrawn EP3396450A4 (en) 2015-12-24 2016-11-24 Ghost reduction device and imaging device equipped with same, ghost reduction method, and imaging optical system

Country Status (8)

Country Link
US (1) US10708516B2 (en)
EP (1) EP3396450A4 (en)
JP (1) JP6685041B2 (en)
KR (1) KR102590894B1 (en)
CN (1) CN108700792B (en)
HK (1) HK1259254A1 (en)
IL (1) IL260080B (en)
WO (1) WO2017110355A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6685040B2 (en) * 2015-11-24 2020-04-22 カムイ・イノベーション株式会社 Ghost reduction device, image pickup apparatus including the same, ghost reduction method, and image pickup optical system
US11593919B2 (en) 2019-08-07 2023-02-28 Nanotronics Imaging, Inc. System, method and apparatus for macroscopic inspection of reflective specimens
US10915992B1 (en) * 2019-08-07 2021-02-09 Nanotronics Imaging, Inc. System, method and apparatus for macroscopic inspection of reflective specimens

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1392876A (en) * 1919-11-07 1921-10-04 Mitchell Camera Co Adjustable iris for cameras
US1396717A (en) * 1919-12-04 1921-11-08 Mitchell Camera Co Adjustable iris and curtain for cameras
EP0804021A2 (en) * 1996-04-26 1997-10-29 Sony Corporation Image signal processing
JP2008122712A (en) * 2006-11-13 2008-05-29 Canon Inc Light quantity adjusting device and optical equipment

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08334725A (en) 1995-06-06 1996-12-17 Fuji Photo Optical Co Ltd Light shielding device for photographing lens part
JPH1062669A (en) 1996-08-23 1998-03-06 Ricoh Co Ltd Removing method and device for flare/ghost of camera
JP3757534B2 (en) * 1997-03-24 2006-03-22 株式会社ニコン Aperture mechanism
JP4194314B2 (en) * 2002-07-26 2008-12-10 キヤノン株式会社 Light amount adjusting device, lens device, and imaging device
JP4587437B2 (en) * 2003-11-25 2010-11-24 キヤノン株式会社 Lens barrel and photographing apparatus
JP2007212745A (en) 2006-02-09 2007-08-23 Canon Inc Light control filter
JP2007322960A (en) * 2006-06-05 2007-12-13 Casio Comput Co Ltd Projection lens for projector and projector
US20080089679A1 (en) * 2006-10-11 2008-04-17 Lg Electronics Inc. Iris for photographing apparatus
JP4573136B2 (en) * 2007-11-01 2010-11-04 ソニー株式会社 Light amount adjusting device, lens barrel and imaging device
JP4572964B2 (en) * 2008-07-11 2010-11-04 ソニー株式会社 Lens barrel and imaging device
JP6172955B2 (en) * 2013-01-30 2017-08-02 キヤノン株式会社 Light amount adjusting device, lens barrel and imaging device
JP5823428B2 (en) * 2013-03-04 2015-11-25 東芝テック株式会社 Scanner device
CN104035263A (en) * 2013-03-08 2014-09-10 Jvc建伍株式会社 Light quantity adjusting device and imaging apparatus
CN105190425B (en) * 2013-03-08 2019-03-19 佳能电子株式会社 Light amount control apparatus, Optical devices
EP2797310B1 (en) * 2013-04-25 2018-05-30 Axis AB Method, lens assembly, camera, system and use for reducing stray light
JP2015228966A (en) 2014-06-04 2015-12-21 鄭 璋武Ｃｈｅｎｇ Ｃｈａｎｇ Ｗｕ Fire-extinguishing agent composition and fire-extinguishing agent therefrom
JP6584070B2 (en) * 2014-12-17 2019-10-02 キヤノン株式会社 Lens barrel and optical equipment
JP6685040B2 (en) * 2015-11-24 2020-04-22 カムイ・イノベーション株式会社 Ghost reduction device, image pickup apparatus including the same, ghost reduction method, and image pickup optical system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1392876A (en) * 1919-11-07 1921-10-04 Mitchell Camera Co Adjustable iris for cameras
US1396717A (en) * 1919-12-04 1921-11-08 Mitchell Camera Co Adjustable iris and curtain for cameras
EP0804021A2 (en) * 1996-04-26 1997-10-29 Sony Corporation Image signal processing
JP2008122712A (en) * 2006-11-13 2008-05-29 Canon Inc Light quantity adjusting device and optical equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017110355A1 *

Also Published As

Publication number Publication date
WO2017110355A1 (en) 2017-06-29
IL260080A (en) 2018-07-31
US20190058820A1 (en) 2019-02-21
IL260080B (en) 2020-07-30
HK1259254A1 (en) 2019-11-29
JP2017116718A (en) 2017-06-29
US10708516B2 (en) 2020-07-07
KR20180095926A (en) 2018-08-28
CN108700792B (en) 2020-12-01
JP6685041B2 (en) 2020-04-22
KR102590894B1 (en) 2023-10-17
CN108700792A (en) 2018-10-23
EP3396450A1 (en) 2018-10-31

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